|
| Commodity | 2005 | 2006 | 2007 | 2008 | 2009 | 2010 |
| Hydrogen | $1,716 | $1,148 | $738 | $2,341 | $490 | $195 |
| Argon | $8,349 | $24,401 | $16,172 | $11,879 | $20,076 | $15,637 |
| Rare gases other than argon | $46,072 | $45,413 | $37,374 | $26,131 | $28,246 | $21,475 |
| Nitrogen | $21,023 | $23,768 | $35,636 | $35,075 | $19,609 | $17,355 |
| Oxygen | $70,081 | $74,372 | $190,853 | $153,851 | $124,512 | $115,101 |
| Silicon, cont. by wt. not <99.99% of silicon | | | $55 | | $6 | |
| Silicon, cont. by wt. <99.99% of silicon | $2,642 | $406 | $362 | $217 | $790 | |
| Phosphorus | $1,021 | | | | | |
| Total | $150,904 | $169,508 | $281,190 | $229,494 | $193,729 | $169,763 |
|
|
